<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div>
  <input type="text" v-model="emp.name" placeholder="姓名">
  <input type="text" v-model="emp.salary" placeholder="工资">
  <input type="text" v-model="emp.job" placeholder="工作">
  <input type="button" value="登录" @click="add()">

  <table border="1">
    <tr>
      <th>编号</th>
      <th>姓名</th>
      <th>工资</th>
      <th>工作</th>
      <th>操作</th>
    </tr>
    <tr v-for="(emp,i) in arr">
      <td>{{i+1}}</td>
      <td>{{emp.name}}</td>
      <td>{{emp.salary}}</td>
      <td>{{emp.job}}</td>
      <td><input type="button" value="删除" v-on:click="del(i)"></td>
    </tr>
  </table>
</div>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
    let v = new Vue({
        el:"body>div",
        data:{
            emp:{name:"",salary:"",job:""},
            arr:[]
        },
        methods:{
            add(){
              v.arr.push({name:v.emp.name,salary:v.emp.salary,job:v.emp.job});
            },

            del(i){
              v.arr.splice(i,1);
            }
        }
    })
</script>
</body>
</html>